diff --git a/packages/theme-chalk/src/input.scss b/packages/theme-chalk/src/input.scss
index d3ca6a3f1f..9598c6d2f3 100644
--- a/packages/theme-chalk/src/input.scss
+++ b/packages/theme-chalk/src/input.scss
@@ -23,6 +23,7 @@
     box-sizing: border-box;
     width: 100%;
     font-size: inherit;
+    font-family: inherit;
     color: var(--el-input-font-color, map.get($--input, 'font-color'));
     background-color: var(
       --el-input-background-color,